A low-density, puffy planet orbiting relatively far from a young star in a nearly perpendicular orbit. What's going on?

Astronomers are investigating a strange class of exoplanets known as eccentric warm Jupiters — massive gas giants that orbit ...

Curious about the strangest planets out there? Prepare to dive deep into the cosmos, where bizarre and incredible exoplanets await. These planets are so unusual that they challenge everything we know ...

On some, whipping winds send a rain of glass flying sideways; others have a core of carbon compressed into diamond. Take a look.

Venus is often called Earth's evil twin due to its size, mass, material composition, and density. It even feels like Venus should've become a second Earth. However, it ended up being one of the ...